<?php
/**
 * Smarty plugin
 *
 * @package    Smarty
 * @subpackage Debug
 */

/**
 * Smarty debug_print_var modifier plugin
 *
 * Type:     modifier<br>
 * Name:     debug_print_var<br>
 * Purpose:  formats variable contents for display in the console
 *
 * @author Monte Ohrt <monte at ohrt dot com>
 *
 * @param array|object $var    variable to be formatted
 * @param integer      $depth  maximum recursion depth if $var is an array
 * @param integer      $length maximum string length if $var is a string
 *
 * @return string
 */
function smarty_modifier_debug_print_var($var, $depth = 0, $length = 40) {
	$_replace = array(
			"\n" => '<i>\n</i>',
			"\r" => '<i>\r</i>',
			"\t" => '<i>\t</i>'
	);

	switch (gettype($var))
	{
		case 'array' :
			$results = '<b>Array (' . count($var) . ')</b>';
			foreach ($var as $curr_key => $curr_val)
			{
				$results .= '<br>' . str_repeat('&nbsp;', $depth * 2) . '<b>' . strtr($curr_key, $_replace) . '</b> =&gt; ' . smarty_modifier_debug_print_var($curr_val, ++$depth, $length);
				$depth--;
			}
			break;

		case 'object' :
			$object_vars = get_object_vars($var);
			$results = '<b>' . get_class($var) . ' Object (' . count($object_vars) . ')</b>';
			foreach ($object_vars as $curr_key => $curr_val)
			{
				$results .= '<br>' . str_repeat('&nbsp;', $depth * 2) . '<b> -&gt;' . strtr($curr_key, $_replace) . '</b> = ' . smarty_modifier_debug_print_var($curr_val, ++$depth, $length);
				$depth--;
			}
			break;

		case 'boolean' :
		case 'NULL' :
		case 'resource' :
			if (true === $var)
			{
				$results = 'true';
			}
			elseif (false === $var)
			{
				$results = 'false';
			}
			elseif (null === $var)
			{
				$results = 'null';
			}
			else
			{
				$results = htmlspecialchars((string)$var);
			}
			$results = '<i>' . $results . '</i>';
			break;

		case 'integer' :
		case 'float' :
			$results = htmlspecialchars((string)$var);
			break;

		case 'string' :
			$results = strtr($var, $_replace);
			if (Smarty::$_MBSTRING)
			{
				if (mb_strlen($var, Smarty::$_CHARSET) > $length)
				{
					$results = mb_substr($var, 0, $length - 3, Smarty::$_CHARSET) . '...';
				}
			}
			else
			{
				if (isset($var[$length]))
				{
					$results = substr($var, 0, $length - 3) . '...';
				}
			}

			$results = htmlspecialchars('"' . $results . '"');
			break;

		case 'unknown type' :
		default :
			$results = strtr((string)$var, $_replace);
			if (Smarty::$_MBSTRING)
			{
				if (mb_strlen($results, Smarty::$_CHARSET) > $length)
				{
					$results = mb_substr($results, 0, $length - 3, Smarty::$_CHARSET) . '...';
				}
			}
			else
			{
				if (strlen($results) > $length)
				{
					$results = substr($results, 0, $length - 3) . '...';
				}
			}

			$results = htmlspecialchars($results);
	}

	return $results;
}

?>
